projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 753f4783 DV |
1 | /* |
| 2 | * aQuantia Corporation Network Driver | |
| 3 | * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms and conditions of the GNU General Public License, | |
| 7 | * version 2, as published by the Free Software Foundation. | |
| 8 | */ | |
| 9 | ||
| 10 | /* File aq_hw_utils.h: Declaration of helper functions used across hardware | |
| 11 | * layer. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef AQ_HW_UTILS_H | |
| 15 | #define AQ_HW_UTILS_H | |
| 16 | ||
| 17 | #include "aq_common.h" | |
| 18 | ||
| 19 | #ifndef HIDWORD | |
| 20 | #define LODWORD(_qw) ((u32)(_qw)) | |
| 21 | #define HIDWORD(_qw) ((u32)(((_qw) >> 32) & 0xffffffff)) | |
| 22 | #endif | |
| 23 | ||
| 24 | #define AQ_HW_SLEEP(_US_) mdelay(_US_) | |
| 25 | ||
| 26 | #define AQ_HW_WAIT_FOR(_B_, _US_, _N_) \ | |
| 27 | do { \ | |
| 28 | unsigned int AQ_HW_WAIT_FOR_i; \ | |
| 29 | for (AQ_HW_WAIT_FOR_i = _N_; (!(_B_)) && (AQ_HW_WAIT_FOR_i);\ | |
| 30 | --AQ_HW_WAIT_FOR_i) {\ | |
| 31 | udelay(_US_); \ | |
| 32 | } \ | |
| 33 | if (!AQ_HW_WAIT_FOR_i) {\ | |
| 1a28242b | 34 | err = -ETIME; \ |
| 753f4783 DV |
35 | } \ |
| 36 | } while (0) | |
| 37 | ||
| 38 | struct aq_hw_s; | |
| 39 | ||
| 40 | void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, | |
| 41 | u32 shift, u32 val); | |
| 42 | u32 aq_hw_read_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk, u32 shift); | |
| 43 | u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg); | |
| 44 | void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value); | |
| 45 | int aq_hw_err_from_flags(struct aq_hw_s *hw); | |
| 46 | ||
| 47 | #endif /* AQ_HW_UTILS_H */ |